Handle-bar and seat post binder.



Patented July 3,1900. 'E. FAHLSTBOM &. F. W. .LUSEBRINK. HANDLE BAR AND SEAT POST BINDER.

(Application filed Oct. 16, 1899.)

(No Model.)

. INVEQNTORS III rm: uomys PETERS co.. Puomu'mou WASHINGTON, n. c.

WIT-N ESSES UNITED STATES PATENT CFFICE.

EMIL FAHLSTROM AND FREDERICK W. LUSEBRINK, OF BRIDGEPORT, J

CONNECTICUT.

HANDLE-BARIAND SEAT POST BINDER.

srnrnrca'rxon forming part f" Letters Patent No. 52,956, dated July 3, 1900. Application filed October 16, 1899. Serial No. 733,728. (No model.)

To all whom itma/y concern: Be it known that we, EMIL FAHLSTROM an FREDERICK W. LUSEBRINK, citizens of the United States, residing at Bridgeport, county of Fairfield, State of Connecticut, ha ve invented a new and useful Handle-Bar and Seat Post Binder, of which the following is'a specification.

plish the desired result, we have devised the novel eccentric binder, of which the following description, in connection with the accompanying drawings, is a specification, reference characters being used to designate the several parts.

Figure 1 is a vertical section of the upper portion of a cycle-head, illustrating the application thereto of our novel binder, the handle-bar post and the binding-sleeve being in elevation; Fig. 2, a section of the upper end of the fork-tube detached; Fig. 3, a section of the binding-sleeve detached; Fig. 4, a section, on an enlarged scale, on the line 4 4 in Fig. 1, the head being removed; Fig. 5, a section, on an enlarged scale, on the line 5 6 in Fig. 1, the head being removed and the binding-sleeve in the unlocking position; and Fig. 6 is a similar view, the binding-sleeve having been turned to the locking position.

A denotes a tube, which may be either the fork-tube or the seat-post tube of a cycle; B,

a cycle-head; C, the parts which together comprise the upper' ball-bearing; D, ahandlebar post, and E a handle-bar. All of these parts, with the exception of the tube, (in the present'instance a fork-tube) may be of any ordinary or preferred construction.

speak of the fork-tube as the tubeland the handle-bar post as the post.

F denotes the binding-sleeve as a whole.

. present instance integral with the collar and portion 11, and being formed by means of a horizontal slot 13, and at one end of said horizontal slot a vertical slot 14. At the upper end of the tube is a circular internal recess 16,

whichreceives portion 11 of the binding-- sleeve freely, and below recess 16 is an eccentric recess 17 ,which receives the spring-eccentric 12of the binding-sleeve. In the drawings we have indicated the relatively-thick portion of the Wall of eccentric recess 17 by g, the relatively-thin portion of the wall of said recess by h, the relatively-thick portion of spring-eccentric 12 by i, and the relativelythin portion of spring-eccentric 12 by k.

In use the binding-sleeve is inserted in the tube with the spring-eccentric in approximately the position relative to the eccentric recess which we have indicated in Fig. 5- that is to say, the relatively-thick portion of the spring-eccentric lies contiguous to the relatively-thin portion of the wall of the eccentric recess, this being of course the unlocking position of the binding-sleeve. In

.thisposition of the parts the post maybe centric upon the post, vertical slot 14 in the For convenience in description we shall binding-sleeve being partially closed, as will be seen by comparison of Fig. 6 of the drawings with Fig. 5. To release the post for the purpose of removal or adjustment, it is simply necessary to apply a pin, spanner, or wrench and impart abackward movement to the binding-sleeve sufficient to release the grip of the spring-eccentric upon the post. It will thus be seen that a slight oscillation of the binding-sleeve-for example, a quarter-turn in either directionis the only movement required to lock or release the post. The device is thus very quick in its action to either bind or release and locks the post with perfect rigidity, for the reason that the triotional contact of the spring-eccentric with the post extends entirely around the latter, with the exception of the slight width of the vertical slot.

Having thus described our invention, we claim- 1. The combination with a tube having at its upper end a circular recess and below said circular recess an eccentric recess, of a binding-sleeve having a circular portion corresponding with the circular recess and a springeccentric corresponding with the eccentric recess substantially as shown, for the purpose specified.

2. The combination with a tube having at its upper end a circular recess and below said circular recess an eccentric recess, of a binding-sleeve having a circular portion adapted to lie within the circular recess, a spring-eccentric adapted to lie within the eccentric recess and a collar adapted to engage the top of the tube whereby the sleeve may be oscillated to lock or release a post.

3. The combination with a tube having at its upper end a circular recess and below said circular recess an eccentric recess, of a binding-sleeve havinga circular portion adapted to engage the circular recess and below said circular portion an eccentric portion having horizontal and vertical slots to impart spring action, said eccentric portion being adapted to lie in the eccentric recess, the relativelythick portion of the spring-eccentric corresponding with the relatively-thin portion of the wall of the recess so that when the binding-sleeve is oscillated the spring-eccentric will be compressed and will bind a post.

4. The binding-sleeve F having a circular portion 11, eccentric portion 12 and slots 13 and 14 substantially as shown, for the purpose specified.

5. The binding-sleeve F having collar with hole 15, circular portion 11, eccentric portion 12 and slots 13 and 14 substantially as shown, for the purpose specified.

In testimony whereof we ailix our signatures in presence of two witnesses.

EMIL FAIILSTROM. FREDERICK W. LUSEBRINK.

lVitnesses:

A. N. WoosTER, S. W. ATHERTON. 

